%0 Journal Article %A Peter Hertling %T Small spanning sets of cusp forms. %J Mathematische Annalen %D 1995 %P 629-652 %V 303 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1995__303_4_165385/ %F MAN_1995__303_4_165385